Is the sophomore slump a real thing? A look at how Calder Trophy winner Gabriel Landeskog and the rest of the top 10 rookie scorers from 2011-12 are faring this season: Harry How, Getty Images

1. Colorado Avalanche left wing Gabriel Landeskog was rookie of the year with 22 goals, 52 points, a plus 20 rating and 270 shots. He had an eventful summer when he was named the NHL's youngest captain. His 2012-13 season was disrupted a concussion in his fourth game that cost him nearly a month. His six points in 13 games as of March 11 would be 38 points over a full 82-game season. Ron Chenoy, USA TODAY Sports

3. New Jersey Devils center Adam Henrique had 51 points last season. His start this season was delayed by a thumb injury suffered during the lockout. He has 10 points in 21 games, a 39-point full-season pace. Jim O'Connor, USA TODAY Sports

4. Philadelphia Flyers center Matt Read led rookies with 24 goals last season. This season, he started with seven goals in 18 games, a full-season 32-goal pace. He made a much-quicker-than-expected recovery from torn rib cage muscles but has no points in his three games since returning. Jim O'Connor. USA TODAY Sports

5. Buffalo Sabres center Cody Hodgson totaled 41 points between the Vancouver Canucks and Sabres last season. Playing on a line with Thomas Vanek, he's on a full-season pace for 66 points. James Guillory,. USA TODAY Sports

6. New York Rangers winger Carl Hagelin had 14 goals and 38 points last season. This season, he's playing on a line with Rick Nash and scoring at a 51-point, full-season pace. Mike Stobe, Getty Images

8. Nashville Predators center Craig Smith had 14 goals and 36 points last season. This season, he went the first 10 games without a point and is on pace for a 20-point full season. The entire Predators team is struggling to score. Don McPeak, USA TODAY Sports

9. The Toronto Maple Leafs' Jake Gardiner was the top-scoring rookie defenseman with 30 points. This season, he suffered a concussion in the minors during the lockout. After a couple appearances with the Leafs, he was returned to the American Hockey League on Jan. 25 and hasn't been back. Abelimages, Getty Images

10. Philadelphia Flyers center Sean Couturier had 13 goals, 27 goals and a plus 18 rating last season. This season, he had two goals and seven assists and a minus 8 rating in 25 games. Eric Hartline, USA TODAY Sports